1313455512 has 32 divisors (see below), whose sum is σ = 3285031680. Its totient is φ = 437632800.

The previous prime is 1313455469. The next prime is 1313455529. The reversal of 1313455512 is 2155543131.

It is a super-3 number, since 3×1313455512³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1313455512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53637 + ... + 74187.

It is an arithmetic number, because the mean of its divisors is an integer number (102657240).

Almost surely, 2^1313455512 is an apocalyptic number.

1313455512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1313455512 is an abundant number, since it is smaller than the sum of its proper divisors (1971576168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313455512 is a wasteful number, since it uses less digits than its factorization.

1313455512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23223 (or 23219 counting only the distinct ones).

The product of its digits is 9000, while the sum is 30.

The square root of 1313455512 is about 36241.6267846795. The cubic root of 1313455512 is about 1095.1454146867.

Adding to 1313455512 its reverse (2155543131), we get a palindrome (3468998643).

The spelling of 1313455512 in words is "one billion, three hundred thirteen million, four hundred fifty-five thousand, five hundred twelve".